在我写那本书的时候，中国还实行着双重价格制，在机票、火车票、旅游景点门票等方面，外国人要比中国人付的多得多。

At the time I published my book, there was still a dual pricing system whereby foreigners paid much more than Chinese for airline and train tickets, entry to tourist sites, and the like.

youdao

在我写那本书的时候，中国还实行着双重价格制，在机票、火车票、旅游景点门票等方面，外国人要比中国人付的多得多。

At the time I published my book, there was still a dual pricing system whereby foreigners paid much more than Chinese for airline and train tickets, entry to tourist sites, and the like.

youdao